INNER CODE UNIT · Python

sha256_file

94fzb/zrlog · shell/release/generate_trust_metadata.py:19

def sha256_file(path: Path) -> str:
    digest = hashlib.sha256()
    with path.open("rb") as stream:
        for block in iter(lambda: stream.read(1024 * 1024), b""):
            digest.update(block)
    return digest.hexdigest()


def run(command: list[str]) -> str:
    result = subprocess.run(
        command,
        check=False,
        text=True,
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
    )
    if result.returncode != 0:
        detail = result.stderr.strip() or result.stdout.strip() or f"exit {result.returncode}"

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